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Why are angles misperceived?

By Surajit Nundy, Beau Lotto, David Coppola, Amita Shimpi and Dale Purves

Abstract

Although it has long been apparent that observers tend to overestimate the magnitude of acute angles and underestimate obtuse ones, there is no consensus about why such distortions are seen. Geometrical modeling combined with psychophysical testing of human subjects indicates that these misperceptions are the result of an empirical strategy that resolves the inherent ambiguity of angular stimuli by generating percepts of the past significance of the stimulus rather than the geometry of its retinal projection

Topics: Biological Sciences
Publisher: The National Academy of Sciences
Year: 2000
OAI identifier: oai:pubmedcentral.nih.gov:25873
Provided by: PubMed Central
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